What's with these "anti-change" elitists all of the sudden?
Here's the game without spies.
-You have to be a very patient pacifist to get a PU.
- No destabilizing enemies.
- No summoning rebels to distract your enemies
- No influencing rebels so that they may pop up at a bad time.
- No revenge rebels
- No finding out where your enemy's troops are.
- No destroying colonies without war
- No hastening seiges for when you need to get things done FAST(like against France or a colonizing Britain)
- No ruining other's trade.
You CANNOT harm your enemies without declaring war, which, without spies, could end up TERRIBLY. It is flat out unrealistic to not have at least .1 spy per year.
Saying you don't need spies is like you don't need merchants because you don't want to waste an NI slot on ONE spy a year or because you want more trading. Trading powers would probably have spies across the CONTINENT ruining trade for other countries, while every other power who picked an NI almost required for their type of country/gameplay would need spies for THEIR actions.
A colonizer would need to be able to ruin other's colonies.
A small trading country next to a blob needs to destabilize it.
Any country with a powerful rival would need to wreak havoc there.
Military powers would need to be able to see their opponent's troops.
Everything is MUCH harder without spies, just like everything would be much harder without merchants.